canvas{
    display: block;
    margin: 50px auto;
    box-shadow: -2px -2px 2px #efefef, 5px 5px 5px #b9b9b9;
    border: 1px solid #f06a27;
    background: #f06a27;
}
.btn{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.btn button{
    width: 200px;
    height: 35px;
    background: #f06a27;
    color: #fff;
    border: none
}